This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Physics > Physics Basics > Physics – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Physics Quiz 5 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Divide 100.00g / 2.00mL A) 5.0 x 101 g/mL. B) 50g/mL. C) 50.00g/mL. D) 50.0g/mL. Show Answer Correct Answer: D) 50.0g/mL. 2. Which of the following is NOT a weak nuclear force? A) Generation of magnetic fields. B) Energy from plate tectonics. C) Generation of sunlight. D) Dating of organic materials. Show Answer Correct Answer: A) Generation of magnetic fields. 3. A hammer striking a nail drives it into a surface. What effect does the nail have on the hammer? A) It pushes back against the hammer. B) It has no effect on the hammer, but moves the nail. C) It has no effect. D) Its increases the acceleration of the hammer. Show Answer Correct Answer: A) It pushes back against the hammer. 4. Energy required to cause a phase change A) Temperature. B) Latent heat. C) Specific heat. D) None of above. Show Answer Correct Answer: B) Latent heat. 5. SI unit for power A) Joules. B) Newtons. C) Meters. D) Watts. Show Answer Correct Answer: D) Watts. 6. Translational, Rotational, and Vibrational A) 3 phase changes. B) Differences in latent heat. C) 3 types of internal energy. D) None of above. Show Answer Correct Answer: C) 3 types of internal energy. 7. Which of the following numbers is the SMALLEST? A) 3 x 104. B) 1.3 x 108. C) 8.7 x 103. D) 9 x 102. Show Answer Correct Answer: D) 9 x 102. 8. Anything in motion has ..... energy. A) Potential. B) Kinetic. C) Thermal. D) None of above. Show Answer Correct Answer: B) Kinetic. 9. The energy required to heat one kilogram of a substance 1 $^ \circ$C A) Latent heat. B) Specific heat capacity. C) Calorimetry. D) None of above. Show Answer Correct Answer: B) Specific heat capacity. 10. An object is 40 m high and has a mass of 40 kg. When it falls, what will be the velocity of the object right before it hits the ground (assuming no friction)? $PE=KE, mgh=1/2mv^2$ A) 13 m/s. B) 56 m/s. C) 20 m/s. D) 28 m/s. Show Answer Correct Answer: D) 28 m/s. 11. Equation for voltage A) Amps x current. B) Current / resistance. C) Current x resistance. D) Resistance / current. Show Answer Correct Answer: C) Current x resistance. 12. What is electricity? A) Rays of light. B) Magic beams. C) Energy flows. D) The movement of electrons. Show Answer Correct Answer: D) The movement of electrons. 13. The rate at which a falling object gains speed A) Acceleration due to gravity. B) Terminal velocity. C) Air resistance. D) None of above. Show Answer Correct Answer: A) Acceleration due to gravity. 14. The tendency of an object to resist a change in its state of motion is called the object's ..... A) Inertia. B) Friction. C) Straight line. D) Incline. Show Answer Correct Answer: A) Inertia. 15. Definition of potential energy A) The amount of energy transferred in motion. B) The amount of energy an object has at rest / before motion. C) The rate of energy transferred per second. D) The amount of energy transferred when an object is moved over a distance by an external force in regards to the direction of the displacement. Show Answer Correct Answer: B) The amount of energy an object has at rest / before motion. 16. When is your answer negative? A) When the sample is cooled or loses heat energy. B) When the sample heats up or gains heat energy. C) When the sample absorbs heat energy. D) None of above. Show Answer Correct Answer: A) When the sample is cooled or loses heat energy. 17. Which particle in the Standard model produces field which imparts mass to particles which interact with its field? A) Tau. B) Z boson. C) Neutrino. D) Higgs boson. Show Answer Correct Answer: D) Higgs boson. 18. The condition where two substances in physical contact with each other exchange no heat energy. They are said to be the same temperature. A) Cooler to Warmer. B) Energy Transfer. C) Thermal Energy. D) Thermal Equilibrium. Show Answer Correct Answer: D) Thermal Equilibrium. 19. The accepted value for free-fall acceleration is 9.80665 m/s2. Which of the following measurements is the most accurate? A) 8.80677 m/s2. B) 9.00665 m/s2. C) 9.90665 m/s2. D) 9.80860 m/s2. Show Answer Correct Answer: D) 9.80860 m/s2. 20. If a green golf ball is dropped from a height of 7 feet and a yellow golf ball is dropped from a height of 12 feet, which ball has greater potential energy before it is released? A) Yellow. B) Green. C) Both have the same amount of potential energy. D) Neither will have more potential energy than the other. Show Answer Correct Answer: A) Yellow. 21. The slope of a displacement vs time graph A) Speed. B) Velocity. C) Acceleration. D) None of above. Show Answer Correct Answer: B) Velocity. 22. An object is taken from the Earth to the Moon. Which of the following statements about the mass and weight of an object is correct? A) The mass decreases and the weight stays the same. B) The mass increases and the weight stays the same. C) The mass stays the same and the weight increases. D) The mass stays the same and the weight decreases. Show Answer Correct Answer: D) The mass stays the same and the weight decreases. 23. ..... is the greatest distance that a wave moves from its rest position. A) Frequency. B) Amplitude. C) Speed. D) Wavelength. Show Answer Correct Answer: B) Amplitude. 24. What produces a sound? A) Something still. B) Something resonant. C) Something moving. D) Something concsonant. Show Answer Correct Answer: C) Something moving. 25. Rate of change of position (displacement) is known as: A) Acceleration. B) Velocity. C) Force. D) Speed. Show Answer Correct Answer: B) Velocity. 26. In the previous problem, which ball has the greater velocity at ground level? A) The "dropped" ball. B) The "fired" ball. C) Neither-they both have the same velocity on impact. D) It depends on how hard the ball was thrown. Show Answer Correct Answer: B) The "fired" ball. 27. The unit of Frce is the A) Joule. B) Watt. C) Pascal. D) Newton. Show Answer Correct Answer: D) Newton. 28. The students measured length during a science experiement, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error? A) 18.75%. B) 15.8%. C) 2.25%. D) 84.2%. Show Answer Correct Answer: B) 15.8%. 29. The distance travelled by an object in unit time is called its A) Motion. B) Time. C) Odometer. D) Speed. Show Answer Correct Answer: D) Speed. 30. Find the average of 5, 4, 1, 8, 4, 2 A) 4. B) 6. C) 7. D) 5. Show Answer Correct Answer: A) 4. 31. Final position-initial position A) Distance. B) Displacement. C) Change in velocity. D) None of above. Show Answer Correct Answer: B) Displacement. 32. Which celestial object would require the least amount of work to lift an object? A) Earth. B) Jupiter. C) Moon. D) Sun. Show Answer Correct Answer: C) Moon. 33. The buoyant force on an object in a fluid is equal to the weight of the fluid displaced by the object. A) Bernoulli's principle. B) Boyle's law. C) Charles's law. D) Archimedes' principle. Show Answer Correct Answer: D) Archimedes' principle. 34. What part of a sound wave is witnessed at the open end of a tube A) Amplitude. B) Pitch. C) Antinode. D) Node. Show Answer Correct Answer: D) Node. 35. Which of the mirrors is used as rear view mirror in vehicles? A) Concave. B) Convex. C) Plane. D) None of above. Show Answer Correct Answer: B) Convex. 36. How many variables may be tested legitimately in any one experiment? A) As many as a physicist can handle. B) Three. C) One. D) Five. Show Answer Correct Answer: C) One. 37. A graph of I versus V for a fixed resistor is: A) A straight horizontal line. B) Only diagonal in the positive direction. C) A straight diagonal line. D) A curved line. Show Answer Correct Answer: C) A straight diagonal line. 38. The optical phenomena, twinkling of stars, is due to A) Total reflection. B) Atmospheric refraction. C) Atmospheric reflection. D) Total refraction. Show Answer Correct Answer: B) Atmospheric refraction. 39. Newton is equivalent to A) 1 $kgms^{-2}$. B) 1 $kg^{-1}ms^{-1}$. C) 1 $kg^{-}1ms^{-2}$. D) 1 $kgms^2$. Show Answer Correct Answer: A) 1 $kgms^{-2}$. 40. Force is directly proportional to: A) Displacement. B) Velocity. C) Acceleration. D) Momentum. Show Answer Correct Answer: C) Acceleration. 41. The instrument installed in a car for measuring the distance travelled by the car is called: A) Speedometer. B) Odometer. C) Anemometer. D) Barometer. Show Answer Correct Answer: B) Odometer. 42. When an object moves through a gas or a liquid. A) Sliding Friction. B) Rolling Friction. C) Fluid Friction. D) None of above. Show Answer Correct Answer: C) Fluid Friction. 43. A person observes a fireworks display from a safe distance of 0.750 kilometer. Assuming that sound travels at 340 meters per second in air, what is the time between the person seeing and hearing a fireworks explosion? A) 255, 000 s. B) 410 s. C) 2.21 s. D) 0.453 s. Show Answer Correct Answer: C) 2.21 s. 44. If the mass of an object is 1000kg on Earth, what is it's mass on the moon? A) 10kg. B) 1000kg. C) 10, 000kg. D) 100kg. Show Answer Correct Answer: B) 1000kg. 45. Branch of physics that examines the physical properties of solid materials and also called condense matter Physics A) Atomic and Nuclear Physics. B) Plasma Physics. C) Optics. D) Solid State Physics. Show Answer Correct Answer: D) Solid State Physics. 46. The internal energy of a system is equal to ..... A) The total energy that its particles have in their kinetic energy stores. B) The total energy that its particles have in their potential energy stores. C) The total energy that its particles have in their kinetic and potential energy stores. D) None of above. Show Answer Correct Answer: C) The total energy that its particles have in their kinetic and potential energy stores. 47. The Law of Conservation of Energy states: A) Energy can created or destroyed but not transformed. B) Energy cannot be created or destroyed, it can only transformed. C) Energy can't be created, destroyed or transformed. D) None of above. Show Answer Correct Answer: B) Energy cannot be created or destroyed, it can only transformed. 48. What are the three primary colors of light? A) Yellow, Blue, Green. B) Red, Green, Yellow. C) Red, Yellow, Blue. D) Red, Green, Blue. Show Answer Correct Answer: D) Red, Green, Blue. 49. Branches of physics that studies the heat and other forms of energy, and conversion of energy from one form to another A) Plasma Physics. B) Quantum Physics. C) Atomic and Nuclear Physics. D) Thermodynamics. Show Answer Correct Answer: D) Thermodynamics. 50. The unit for mass is A) J. B) J/gC. C) G or Kg. D) $^\circ C$. Show Answer Correct Answer: C) G or Kg. 51. When a charged object contacts another object (one is usually a conductor), there is a transfer of electrons. How do you determine which object acquires the transferred electrons? A) Always transfer from the bigger to the smaller object, to make it even. B) Transfer is based on the initial charge of the two objects. C) Transfer is based on how much electron affinity that each object has. D) Always transfer from the more negative to the more positive object. Show Answer Correct Answer: D) Always transfer from the more negative to the more positive object. 52. When light bounces back it is ..... A) Reflected. B) Refracted. C) Absorbed. D) Optical Density. Show Answer Correct Answer: A) Reflected. 53. A person shines a light at a friend who is swimming underwater. If the ray in the water (n= 1.333) makes an angle of 36.2 with the normal, what is the angle of incidence? A) 51.8 degrees. B) Not possible. C) 26.4 degrees. D) 2.25 degrees. Show Answer Correct Answer: A) 51.8 degrees. 54. Units of power (P) A) Kg. B) W. C) M. D) N. Show Answer Correct Answer: B) W. 55. Which of the following colors of visible light has the longest wavelength? A) Green. B) Yellow. C) Violet. D) Blue. E) Red. Show Answer Correct Answer: E) Red. 56. Which of the following could be a unit for density? A) $kgm^2$. B) $gcm^{-3}$. C) $kgm^{-1}$. D) $gm^3$. Show Answer Correct Answer: B) $gcm^{-3}$. 57. The scientific approach to determining a substance's specific heat capacity A) Phase change. B) Specific heat capacity. C) Calorimetry. D) Latent heat. Show Answer Correct Answer: C) Calorimetry. 58. The average speed of an object is: A) Total distance multiplied by total time taken. B) Total distance/2 multiplied by time taken. C) Total distance/2 divided by time taken. D) Total distance divided by total time taken. Show Answer Correct Answer: D) Total distance divided by total time taken. 59. How much work is being done with 200 N of force over 426 meters? A) 85, 200 J. B) 62, 329 J. C) 90, 480 J. D) 45, 620 J. Show Answer Correct Answer: A) 85, 200 J. 60. Created an equation to treat the electron as a wave A) De Broglie. B) Schrodinger. C) Planck. D) Heisenberg. Show Answer Correct Answer: B) Schrodinger. ← PreviousNext →Related QuizzesPhysics QuizzesScience QuizzesPhysics Quiz 1Physics Quiz 2Physics Quiz 3Physics Quiz 4Physics Quiz 6Physics Quiz 7Physics Quiz 8Physics Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books